
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS Wave Effect</title>
<style>
 
</style>
</head>
<body>
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<iframe src="https://work.weixin.qq.com/ca/cawcde033f3dad8bb0"></iframe>
 <script>

 </script>
</body>
</html>